Cystic fibrosis is an inherited disorder affecting specific channel proteins in cell-surface membranes. In this article we will look at how it is inherited, how chloride ion transport is affected, and the symptoms which develop as a consequence. Inheritance of cystic fibrosis Cystic fibrosis is an inherited recessive disorder, meaning it is caused by a... Continue Reading →
Diabetes Mellitus – Homeostasis Ep 4
In the last article we looked at how the body uses negative feedback mechanisms to control the concentration of glucose in the blood. Diabetes mellitus is a condition where these feedback systems fail and blood glucose is not controlled, with potentially fatal consequences if left untreated. In this article we will look at the two... Continue Reading →
Control of Blood Glucose – Homeostasis Ep 3
Control of blood glucose is very important. Sufficient glucose must be delivered to cells for respiration, but too much glucose can eventually result in coma or even death. The concentration of glucose in the blood is affected by factors such as eating and exercise, and must be brought back to the normal level of about... Continue Reading →
